WO2022196796A1 - 有機金属求核剤の製造方法、及び有機金属求核剤を用いる反応方法 - Google Patents

有機金属求核剤の製造方法、及び有機金属求核剤を用いる反応方法 Download PDF

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WO2022196796A1
WO2022196796A1 PCT/JP2022/012524 JP2022012524W WO2022196796A1 WO 2022196796 A1 WO2022196796 A1 WO 2022196796A1 JP 2022012524 W JP2022012524 W JP 2022012524W WO 2022196796 A1 WO2022196796 A1 WO 2022196796A1
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compound
reaction
group
metal
organic halide
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French (fr)
Japanese (ja)
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肇 伊藤
浩司 久保田
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国立大学法人北海道大学
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Priority to JP2022551338A priority Critical patent/JP7404606B2/ja
Priority to US17/996,070 priority patent/US20230271988A1/en
Priority to EP22771541.4A priority patent/EP4310067A1/en
Priority to CN202280003628.XA priority patent/CN115485255A/zh
Publication of WO2022196796A1 publication Critical patent/WO2022196796A1/ja

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    • C07F3/02—Magnesium compounds
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    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B37/00—Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/32—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen
    • C07C1/325—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a metal atom
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/32—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen
    • C07C1/325—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a metal atom
    • C07C1/326—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a metal atom the hetero-atom being a magnesium atom
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
    • C07C17/2632—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions involving an organo-magnesium compound, e.g. Grignard synthesis
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • C07C29/40—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones with compounds containing carbon-to-metal bonds
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/44—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reduction and hydrolysis of nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
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    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
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    • C07F13/00—Compounds containing elements of Groups 7 or 17 of the Periodic Table
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    • C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/04—Calcium compounds
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C—CHEMISTRY; METALLURGY
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    • C07C2531/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • C07C2531/24—Phosphines
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Definitions

  • the present invention relates to a method for producing a novel organometallic nucleophile using a mechanochemical method.
  • the present invention also relates to a reaction method using an organometallic nucleophile using a mechanochemical method.
  • a Grignard reagent As an organometallic nucleophile, for example, a Grignard reagent (RMgX) is widely known.
  • Grignard reagents have been one of the most used carbon nucleophiles in modern organic synthesis since their discovery in 1900 by Victor Grignard.
  • the reaction between a Grignard reagent and a carbonyl compound is a reaction that can be said to be the forerunner of the carbon-carbon bond forming reaction, and is very important in synthesizing alcohols.
  • existing methods for producing organometallic nucleophiles, including Grignard reagents, and reaction methods using them must be carried out in an inert gas such as nitrogen under strict water-free conditions. There were some issues. Furthermore, it is necessary to use a large amount of organic solvent, and there is room for improvement from the viewpoint of reducing the environmental load.
  • the organic synthesis reaction method in which the raw materials are brought into direct contact with each other and does not use an organic solvent, has a low environmental impact and is of interest both academically and industrially.
  • Mechanochemical methods are attracting attention as such organic synthesis reaction methods.
  • the mechanochemical method is a method of applying mechanical energy to a solid raw material by means of grinding, shearing, impact, compression, etc., thereby activating and reacting the solid raw material.
  • Patent Literature 1 describes a method for producing a polymer compound having repeating units by reacting functional groups with each other through a mechanochemical effect.
  • Patent Document 2 describes a method of debrominating an organic bromine compound by mechanochemically treating it in the presence of an alkali metal hydroxide.
  • Non-Patent Document 1 describes that aryl chloride, magnesium and n-butylamine are mixed and dechlorination by a mechanochemical method using a ball mill is thought to go through a Grignard reagent.
  • Non-Patent Document 2 describes that a Grignard reagent is obtained by reacting halogenated naphthalene and magnesium under solvent-free conditions in a glove box by a mechanochemical method using a ball mill.
  • the Grignard reagent and the ketone were reacted by the mechanochemical method, an unexpected reaction occurred and only a reaction mixture containing by-products could be obtained.
  • Non-Patent Document 3 describes that fluoronaphthalene, magnesium and iron chloride are reacted under solvent-free conditions by a mechanochemical method using a ball mill in a glove box. However, the yield of binaphthalene from the coupling reaction is very low, in the 20% range.
  • Organometallic nucleophiles such as Grignard reagents are extremely useful and widely used for producing various compounds and intermediates in the fields of pharmaceuticals, organic materials, foods, polymers and the like.
  • Organometallic nucleophiles in order to reduce the effects of oxygen and moisture (moisture), it is necessary to create an inert atmosphere using a large-scale sealed space apparatus using noble gases, etc., or to use a large amount of dry organic It is necessary to use a solvent (anhydrous organic solvent). It is also necessary to consider means for activating the reaction reagent by removing the oxide film on the surface of the metal reagent.
  • Khignard reagent is an organometallic nucleophile with excellent reactivity, the reaction yield was sometimes low depending on the substrate.
  • the first problem to be solved by the present invention is that the environmental load is reduced by reducing the use of organic solvents, and a large-scale apparatus is used because it is unnecessary to adjust the atmosphere and moisture (humidity). It is an object of the present invention to provide a method for producing an organometallic nucleophilic agent, which is a simple means without any need.
  • the second problem to be solved by the present invention is that the reaction between an organometallic nucleophilic agent and various organic electrophilic agents can be carried out by an efficient and simple means such as a one-pot method, which is advantageous in terms of cost. It is to provide a reaction method.
  • a third problem to be solved by the present invention is to provide a simple method for producing a highly reactive organometallic nucleophilic agent.
  • the present inventors have made intensive studies to solve the above problems, and as a result, have focused on the fact that an organic synthesis reaction by a mechanochemical method using a ball mill or the like can be easily carried out without using an organic solvent. .
  • Nucleating agents organomagnesium nucleophiles/Grignard reagents, etc.
  • organic nucleophiles prepared in this way can be applied to various reactions such as coupling reactions using Ni catalysts. , and came to complete the present invention.
  • the present invention provides the following method for producing an organometallic nucleophile, method for producing alcohol, method for addition reaction, and method for coupling.
  • [Section 1] Manufacture of an organometallic nucleophile by reacting an organic halide with a metal or metal compound by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide.
  • [Section 2] Manufacture of an organometallic nucleophile by reacting an organic halide and a metal or metal compound by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide.
  • R 11 , M, X and E may be the same or different, p is an integer of 1 or more, q is a number of 2 or more, and r is a number greater than 0.)
  • R 11 , M, X and E may be the same or different, p is an integer of 1 or more, q is a number of 2 or more, and r is a number greater than 0.)
  • the environmental load is reduced by reducing the use of organic solvents, and it is a simple means without using a large-scale device by eliminating the need to adjust the atmosphere and moisture (humidity).
  • a method for making an organometallic nucleophile is provided.
  • INDUSTRIAL APPLICABILITY According to the present invention, the reaction between an organometallic nucleophilic agent and various organic electrophilic agents can be carried out by efficient and simple means such as a one-pot system, and a reaction method that is advantageous in terms of cost is provided.
  • INDUSTRIAL APPLICABILITY The present invention provides a simple method for producing highly reactive organometallic nucleophiles.
  • FIG. 11 shows an example of the structure of a (PhMgBr)m—nTHF complex prepared by a mechanochemical method in Example 116;
  • an organic halide and a metal or metal compound are combined in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide by a mechanochemical method.
  • an organic halide and a metal or metal compound are combined by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide.
  • a third embodiment of the present invention is a mechanochemical reaction in which an organic halide, a metal or a metal compound, and an organic carbonyl compound are combined in the presence of 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide. It is a method of producing alcohol by chemical reaction.
  • a fourth embodiment of the present invention is a reaction component comprising an organic halide, a metal or metal compound, an electrophile, and 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide. is an addition reaction method in which the is reacted by a mechanochemical method.
  • the 4-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined with 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide. It is an addition reaction method in which the reaction is performed by a mechanochemical method in the presence of, and an electrophilic agent is added and the reaction is performed by a mechanochemical method.
  • the 4-2 embodiment of the present invention is characterized in that the organic halide, the metal or metal compound, and the electrophile are added in an amount of 0.5 to 10 per equivalent of the organic halide. This is an addition reaction method in which the reaction is carried out by a mechanochemical method in the presence of .0 equivalent of an ether compound.
  • a fifth embodiment of the present invention comprises an organic halide, a metal or a metal compound, a sulfonate ester compound, 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide, and a nickel catalyst.
  • This is a coupling reaction method in which reaction components containing and are reacted by a mechanochemical method.
  • the 5-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined with 0.5 to 10.0 equivalents of ether per equivalent of the organic halide.
  • the organic halide, the metal or the metal compound, and the sulfonic acid ester compound are added in an amount of 0.5 to 0.5 to 1 equivalent of the organic halide.
  • a sixth embodiment of the present invention is a reaction component comprising an organic halide, a metal or metal compound, a conjugated enone compound, and 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide.
  • the 6-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined in an amount of 0.5 to 10.0 equivalents of ether per equivalent of the organic halide.
  • the 6-2 embodiment of the present invention is characterized in that the organic halide, the metal or metal compound, and the conjugated enone compound are added in an amount of 0.5 to 10 per equivalent of the organic halide.
  • an organic halide and a metal or metal compound are combined by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide.
  • An eighth embodiment of the present invention comprises at least a halogenated organometallic compound and an ether compound of formula (A): [R 11 -(MX) p ] q -rE (A) (wherein R 11 is a p-valent organic group derived from a halogenated organometallic compound, M is a metal derived from a halogenated organometallic compound, X is a halogen, and E is an ether compound.
  • R 11 , M, X and E may be the same or different, p is an integer of 1 or more, q is a number of 2 or more, and r is a number greater than 0.)
  • an organic halide having a solubility at 20° C. of less than 1.0 mol/L in an ether compound and a metal or a metal compound are added to 0.5 to 0.5 to 1 equivalent of the organic halide.
  • an organic halide and a metal or metal compound are combined in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide by a mechanochemical method.
  • a method for producing an organometallic nucleophile by reacting is also possible.
  • the organic halide used in the method for producing an organometallic nucleophile of the present invention is compound (I) represented by the following formula (I).
  • a 1 -X m (I) (In the formula, A 1 is an optionally substituted m-valent aromatic hydrocarbon group, an optionally substituted m-valent aromatic heterocyclic group, an optionally substituted m represents either a valent aliphatic hydrocarbon group or an optionally substituted m-valent unsaturated aliphatic hydrocarbon group.
  • Each X independently represents F (fluorine), Cl (chlorine), Br (bromine) or I (iodine).
  • m is the number of X and represents an integer of 1 or more.
  • Compound (I) can be used singly or in combination of two or more. As compound (I), a commercial product can be used as it is or after purification.
  • the number of carbon atoms in the optionally substituted m-valent aromatic hydrocarbon group for A 1 is not particularly limited, and is, for example, 6-60, preferably 6-40, more preferably 6-30.
  • m is an integer of 1 or more, for example 1-10, preferably 1-6, more preferably 1-4.
  • the m-valent aromatic hydrocarbon group in which m is an integer of 2 or more includes, for example, the above-mentioned monovalent aromatic Examples thereof include those obtained by removing m-1 hydrogen from the aromatic ring in the group hydrocarbon group.
  • ⁇ m-valent aromatic heterocyclic group optionally having a substituent ⁇ The number of carbon atoms in the optionally substituted m-valent aromatic heterocyclic group for A 1 is not particularly limited, and is, for example, 4-60, preferably 4-40, more preferably 4-30.
  • m is an integer of 1 or more, for example 1-10, preferably 1-6, more preferably 1-4.
  • the m-valent aromatic heterocyclic group in which m is an integer of 2 or more includes, for example, the above-mentioned monovalent aromatic Examples thereof include those in which m ⁇ 1 hydrogen atoms are removed from the aromatic ring in the group heterocyclic group.
  • Benzo[1,2-c:4,5-c']bis[1,2,5]thiadiazole skeleton (benzobisthiadiazole group) and the like can also be mentioned.
  • the number of carbon atoms in the optionally substituted m-valent aliphatic hydrocarbon group in A 1 is not particularly limited, and is, for example, 1-60, preferably 1-40, more preferably 1-30.
  • m is an integer of 1 or more, for example 1-10, preferably 1-6, more preferably 1-4.
  • the m-valent aliphatic hydrocarbon group in which m is an integer of 2 or more includes, for example, the above-mentioned monovalent aliphatic Group hydrocarbon groups from which m ⁇ 1 hydrogen has been removed.
  • the carbon number of the optionally substituted m-valent unsaturated aliphatic hydrocarbon group in A 1 is not particularly limited, and is, for example, 2 to 60, preferably 3 to 40, more preferably 5 to 30. .
  • m is an integer of 1 or more, for example 1-10, preferably 1-6, more preferably 1-4.
  • the m-valent unsaturated aliphatic hydrocarbon group in which m is an integer of 2 or more includes, for example, Examples include a monovalent unsaturated aliphatic hydrocarbon group from which m ⁇ 1 hydrogen atoms have been removed.
  • m-valent aromatic hydrocarbon group optionally having substituent(s) for A 1
  • m-valent aromatic heterocyclic group optionally having substituent(s)
  • m-valent optionally having substituent(s) The aliphatic hydrocarbon group of or the optionally substituted m-valent unsaturated aliphatic hydrocarbon group may have any substituent, as long as the intended reaction of the present invention can be carried out. not.
  • substituents include alkyl groups having 1 to 24 carbon atoms, preferably 1 to 18 carbon atoms, more preferably 1 to 12 carbon atoms, more preferably 1 to 8 carbon atoms (e.g., methyl, ethyl, n-propyl, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, pentyl group, hexyl group, octyl group, etc.); 8 alkoxy groups (e.g., methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, tert-butoxy, pentyloxy, hexyloxy, octyloxy, etc.); carbon A cycloalkyl group having a number of 3 to 24, preferably 3 to 18, more preferably 3 to 12, and still more preferably 3 to 8 (eg, cyclopropyloxy, cyclobutyloxy
  • Each X independently represents F (fluorine), Cl (chlorine), Br (bromine) or I (iodine). Among these, Cl (chlorine), Br (bromine), or I (iodine) is preferable from the viewpoint of reactivity, handleability, and the like.
  • the number of X in compound (I) is not particularly limited as long as it is 1 or more. For example, 1-6, preferably 1-4, more preferably 1-3.
  • the number m of X in compound (I) is an integer, and is not particularly limited as long as at least one can react with a metal or metal compound to form an organometallic nucleophile. For example, 1 to 10, preferably 1 to 8, more preferably 1 to 6, still more preferably 1 to 4.
  • a 1 in formula (I) in compound (I) include the following groups. Naphthyl groups such as naphthyl groups, aryl (e.g., phenyl, etc.) naphthyl groups, naphthyl groups having alkylene (e.g., ethylene, etc.) bridges, naphthyl groups having arylene (e.g., phenylene, etc.) bridges; phenanthrenyl group; Anthracenyl groups such as anthracenyl group, aryl (e.g., phenyl) anthracenyl group, diaryl (e.g., dinaphthyl, etc.) anthracenyl group, diarylboryl (e.g., bis(trialkylphenyl)boryl, etc.) anthracenyl group; pyrenyl group, pyrenyl group such as alkyl (eg,
  • methyl)phenyl group dialkyl (e.g. dimethyl)phenyl group, alkoxy (e.g. methoxy)phenyl group, dialkylamino (e.g. dimethylamino)phenyl group, diaryl (e.g.
  • diphenyl)aminophenyl group perfluoro phenyl groups such as alkyl (e.g., trifluoromethyl)phenyl groups, alkyl (e.g., ethyl)oxycarbonylphenyl groups, alkanoyl (e.g., acyl)phenyl groups; aryl (e.g., phenyl, etc.)-substituted carbazolyl group; anthracene-9.10-dione group; aryl (e.g., phenyl, etc.)-substituted thienyl group, thiophene group, benzothiadiazole group; A straight chain having 1 to 20 carbon atoms such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, t-butyl group, n-pentyl group, n-hexyl group, n
  • compound (I) used in the cross-coupling reaction method of the present invention include, for example, one or more selected from the group consisting of the compounds used in Examples 1-150.
  • the metal or metal compound is not particularly limited as long as it can react with an organic halide to form an organic metal nucleophile.
  • the metal is, for example, one selected from the group consisting of alkaline earth metals, alkali metals, transition metals, zinc, aluminum, indium, tin, bismuth, boron, silicon, gallium, germanium, antimony, lead, and rare earth element metals. The above is given.
  • Examples of the metal compound include one or more selected from the group consisting of salts of these metals (chlorides, bromides, iodides, nitrates, sulfates, carbonates, etc.), oxides of these metals, and the like.
  • magnesium calcium, strontium, lithium, manganese, palladium, titanium, zinc, aluminum, bismuth, indium, samarium, salts of these metals, oxides of these metals, etc. preferable.
  • the amount of metal used is not particularly limited. relative to 1 equivalent of the organic halide, for example 0.1 equivalent or more, preferably 0.5 equivalent or more, more preferably 0.7 equivalent or more, for example 10.0 equivalent or less, preferably 5.0 equivalent or less; More preferably, it is 3.0 equivalents or less. If the amount is less than 0.1 equivalent, the reaction may not proceed sufficiently and the yield may decrease. If it exceeds 10.0 equivalents, it is necessary to remove unreacted metal, and unreacted metal may cause side reactions.
  • the ether compound is a compound having one or more ether bonds (--O--) in the molecule, and is not particularly limited as long as it is an inert compound upon reaction between the organic halide and the metal or metal compound.
  • diethyl ether diisopropyl ether, dibutyl ether, t-butyl methyl ether, tetrahydrofuran, tetrahydropyran, dimethoxyethane, 1,4-dioxane, anisole, acetoxy-2-ethoxyethane, propylene glycol monomethyl ether acetate, ethylene glycol dimethyl ether, At least one selected from the group consisting of diethylene glycol dimethyl ether, 1-methoxy-1,1,2,2-tetrafluoroethane, 1-ethoxy-1,1,2,2-tetrafluoroethane and the like.
  • the ether compound may be used by mixing with an organic solvent or the like, if necessary.
  • organic solvents include aromatic solvents such as benzene, toluene, xylene, mesitylene durene, and decalin; aliphatic solvents such as hexane, pentane, and heptane; methanol, ethanol, n-propanol, isopropanol, 1- alcohol solvents such as butanol, 1,1-dimethylethanol, tert-butanol, 2-methoxyethanol, ethylene glycol; halogenated hydrocarbon solvents such as dichloromethane, chloroform, carbon tetrachloride, chlorobenzene, 1,2-dichlorobenzene polar solvents such as acetonitrile, N,N'-dimethylformamide, N,N'-dimethylacetamide, N-methyl-2-pyrrolidone and dimethylsulfoxide; and one or more selected from the group
  • the amount of the ether compound used is 0.5 to 10.0 equivalents per equivalent of the organic halide. preferably 0.7 equivalents or more, more preferably 1.0 equivalents or more, still more preferably 1.2 equivalents or more, even more preferably 1.5 equivalents or more, and more preferably 7.0 equivalents or less, more preferably is 5.0 equivalents or less. If the amount is less than 0.5 equivalent, the organometallic nucleophile, particularly the Grignard reagent, cannot be synthesized efficiently, and the reaction may not proceed sufficiently when subjected to subsequent reactions. If it exceeds 10.0 equivalents, the ether compound will substantially function as a solvent, making it difficult to add a mechanochemical effect to the reaction components. However, there is a risk that the reaction will not proceed sufficiently when subjected to the subsequent reaction.
  • Mechanochemical methods apply mechanical energy to reactants (especially solid reactants) by methods such as shearing, compression, stretching, grinding, friction, kneading, mixing, dispersion, pulverization, and shaking.
  • This is a treatment method that activates reactants and imparts structural changes, phase transitions, reactivity, adsorptivity, catalytic activity, and the like.
  • An apparatus for the mechanochemical method is not particularly limited as long as it can apply mechanical energy by the above method.
  • Examples of such devices include: Pulverizers such as ball mills, rod mills, jet mills, SAG mills; Grinding machines such as rotary millstones and crushers; (horizontal axis rotation) vessel rotary mixers such as horizontal cylindrical, V-shaped, double cone-shaped, square cube-shaped, S-shaped and continuous V-shaped; Vessel rotary mixers (with baffle blades) such as horizontal cylindrical, V-shaped, double cone and ball mill types; (Rotational vibration) vessel rotary mixers such as rocking and cross-rotary types; (horizontal axis rotating) stationary vessel type mixing devices such as ribbon type, paddle type, single shaft rotor type and bag mill type; (vertical axis rotating) stationary vessel type mixers such as ribbon type, screw type, planetary type, turbine type, high flow type, rotating disk type and Mahler type; (vibrating) fixed vessel mixing devices such as vibrating mills and sieves; (fluidized) hydrokinetic mixers such as heterogeneous fluidized bed, swirling fluidized bed, rise
  • the amount of energy to be applied when performing the mechanochemical method is not particularly limited, and can be appropriately determined in consideration of the type and amount of each reaction raw material, the reaction temperature, and the like. can.
  • shaking can be performed at 5 Hz or higher, preferably 10 Hz or higher, and more preferably 20 Hz or higher.
  • reaction conditions of the present invention are not particularly limited as long as the organic halide can react with the metal or metal compound to form an organic metal nucleophile.
  • the reaction temperature (temperature)
  • the reaction temperature can be -50°C to 500°C. In the present invention, it can be carried out at around room temperature (23° C.) without heating.
  • the inside of the reaction vessel (reaction system) may be heated to a desired temperature by using a heating device such as a heat gun.
  • the method for controlling the reaction temperature to ⁇ 50° C. to 500° C. is not particularly limited, but a temperature control method used for chemical reactions can be used.
  • a method of controlling the temperature in the reaction vessel by immersing the reaction vessel in liquid nitrogen or the like a method of controlling the temperature in the reaction vessel using hot air, a method of covering the reaction vessel with a heat medium at a predetermined temperature, A method of controlling the temperature inside the container, a method of controlling the temperature inside the reaction container by providing a heating element, and the like can be mentioned.
  • the method of controlling the temperature in the reaction vessel by applying warm air generated by a heat gun to the reaction vessel is preferable from the viewpoint of safety and ease of temperature control operation.
  • the pressure is not particularly limited, and the reaction can be carried out under any pressure. At that time, a decompression device or a pressurization device can be used. In the present invention, the reaction can be carried out without pressurization or pressure reduction.
  • the reaction atmosphere (atmosphere in the reaction vessel during mixing) is not particularly limited, and can be appropriately determined in consideration of the types and amounts of each of the organic halides and metals, the reaction temperature, and the like. For example, it can be carried out in an air atmosphere without adjusting the atmosphere. Moreover, it can be carried out in an inert gas atmosphere such as nitrogen, helium, neon, argon or the like. Generally, synthesis of Grignard reagents, which are representative examples of organometallic nucleophiles, is carried out under conditions that avoid oxygen and moisture under an inert atmosphere. It is advantageous in that strict control of moisture is not required.
  • reaction time The reaction time (mixing time; time for treatment by mechanical means) is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organic halides and metals, the reaction temperature, and the like. For example, it can be 1 minute or longer, preferably 3 minutes or longer, and more preferably 5 minutes or longer. Although the upper limit of the reaction time is not particularly limited, it can be, for example, 10 hours or less, preferably 5 hours or less, and more preferably 3 hours or less.
  • reaction product may be purified, if necessary.
  • the purification method is not particularly limited, and methods such as filtration, distillation, recrystallization, column chromatography, and washing with a solvent are used, for example.
  • the reaction vessel provided in the reaction apparatus used in the present invention is not particularly limited as long as it is various reaction vessels that can be provided in the reaction apparatus for compounds, and organic halides, metal and ether compounds, reaction products It can be appropriately determined in consideration of the type and amount of each, reaction temperature, atmosphere, reaction pressure, and the like.
  • an apparatus for example, a ball mill or the like
  • a ball mill jar or the like can be used as a reaction vessel.
  • the means for stirring the content in the reaction vessel provided in the reaction apparatus of the present invention is not particularly limited as long as it is various stirring means that can be provided in the reaction apparatus for compounds.
  • a ball mill for example, is preferably used as an apparatus for mechanically performing the mixing process.
  • the means for adjusting the temperature in the reaction vessel provided in the reaction apparatus of the present invention is not particularly limited as long as it is a means for adjusting the temperature so that the cross-coupling reaction is carried out at a temperature of -50°C to 500°C.
  • the temperature adjusting means described in (Temperature) of ⁇ Reaction Conditions> can be used.
  • a method of heating the reaction vessel using a heat gun is preferably used.
  • the reaction apparatus used in the present invention further comprises metering means, depressurization or pressurization means, atmosphere adjustment means (gas introduction or discharge means), input means for various components, means for taking out various components and reaction products, purification means, It may be provided with various means that can be provided in the compound reaction apparatus, such as analysis means.
  • organometallic nucleophiles can be used as the organometallic nucleophiles produced in the first embodiment.
  • organometallic nucleophiles particularly preferred are Grignard reagents (organomagnesium chloride, organomagnesium bromide, and organomagnesium iodite), organocalcium reagents (“Heacy” Grignard reagents), and organomanganese reagents.
  • PhMgBr prepared by the mechanochemical method in Example 116 and PhMgBr prepared in the solution phase were examined for the X-ray absorption edge fine structure (NEXAFS) at the Mg-K absorption edge and at the C-K absorption edge.
  • the X-ray absorption edge fine structure was measured and each spectrum was compared.
  • FIGS. 1 and 2 the Mg-K and C-K NEXAFS spectra of PhMgBr produced by the mechanochemical method in Example 116 and PhMgBr produced in the solution phase are well approximated.
  • both the one prepared by the mechanochemical method and the one prepared by the solution phase are almost the same organomagnesium species having carbon-magnesium bonds. Furthermore, strong 1s- ⁇ * transition peaks were observed at 285.7 eV and 287.7 eV in the CK NEXAFS spectrum, indicating that the C-Br bond of the starting material, bromobenzene, changed to form a carbon-magnesium bond. confirmed to have been formed.
  • an organic halide and a metal or metal compound are combined by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide.
  • the organic halides, metals or metal compounds, and ether compounds can be similar to those described in the first embodiment.
  • the reaction conditions and the like between the organic halide and the metal or metal compound can be the same as those described in the first embodiment.
  • the reaction product of the organic halide and the metal or metal compound, and the mechanochemical method and reaction apparatus used in the reaction of the organic carbonyl compound are all the same as those described in the first embodiment. can be similar.
  • Organic carbonyl compound is not particularly limited as long as it is a compound having a carbonyl group in the molecule and capable of forming an alcohol by a coupling reaction with an organic metal nucleophile (Grignard reagent).
  • organic metal nucleophile Grignard reagent
  • examples thereof include one or more selected from the group consisting of aldehydes, ketones, esters, ketoesters, acetals and the like. When aldehydes are used, secondary alcohols can be obtained, and when ketones or esters are used, tertiary alcohols can be produced.
  • the amount of the organic carbonyl compound used is not particularly limited.
  • Aldehydes are not particularly limited, but may be, for example, aliphatic aldehydes, aromatic aldehydes, heterocyclic aldehydes, or the like.
  • the ketone is not particularly limited, but may be one in which two groups selected from an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an aromatic hydrocarbon group, and a heterocyclic group are bonded to the carbonyl carbon, One or more selected from the group consisting of those in which the carbonyl carbon forms a ring of an alicyclic hydrocarbon.
  • esters include, but are not limited to, alkyl esters of aliphatic carboxylic acids and alkyl esters of aromatic carboxylic acids. Examples thereof include one or more selected from the group consisting of ethyl acetate, butyl acetate, ethyl benzoate, butyl benzoate and the like.
  • reaction conditions of the reaction product of the organic halide and the metal and the carbonyl compound are not particularly limited as long as they can react to form an alcohol.
  • the reaction temperature (temperature, pressure, atmosphere, time)
  • the reaction temperature can be -50°C to 500°C. In the present invention, it can be carried out at around room temperature (23° C.) without heating.
  • the inside of the reaction vessel (reaction system) may be heated to a desired temperature by using a heating device such as a heat gun.
  • a heating device such as a heat gun.
  • the method described in ⁇ Reaction conditions> (Temperature) in the first embodiment can be used.
  • the pressure is not particularly limited, and the reaction can be carried out under any pressure. At that time, a decompression device or a pressurization device can be used.
  • the reaction can be carried out without pressure and vacuum.
  • the reaction atmosphere is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organometallic nucleophilic agent and the carbonyl compound, the reaction temperature, and the like.
  • it can be carried out in an air atmosphere without adjusting the atmosphere.
  • it can be carried out in an inert gas atmosphere such as nitrogen, helium, neon, argon or the like.
  • it can be carried out in an air atmosphere.
  • the reaction time (mixing time; time for treatment by mechanical means) is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organometallic nucleophilic agent and the carbonyl compound, the reaction temperature, and the like. For example, it can be 1 minute or longer, preferably 3 minutes or longer, and more preferably 5 minutes or longer. Although the upper limit of the reaction time is not particularly limited, it can be, for example, 10 hours or less, preferably 5 hours or less, and more preferably 3 hours or less.
  • the means for charging the carbonyl compound into the reaction vessel is not particularly limited. After completion of the reaction, the resulting reaction product, alcohol, can be purified if necessary.
  • the purification method is not particularly limited, and methods such as filtration, distillation, recrystallization, column chromatography, and washing with a solvent can be used.
  • ⁇ Alcohol> In the method for producing alcohol according to the second embodiment, secondary alcohols can be produced when aldehydes are used, and tertiary alcohols can be produced when ketones or esters are used.
  • a third embodiment of the present invention an organic halide, a metal or metal compound, and an organic carbonyl compound are combined in the presence of 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide.
  • a method for producing alcohol by reacting by a mechanochemical method is a reaction corresponding to the so-called Barbier-Reaction.
  • the organic halides and ether compounds used in the third embodiment can be the same as those described in the first embodiment, and the organic carbonyl compounds as described in the second embodiment. can be similar.
  • the mechanochemical method and reactor used for the reaction of organic halides, metals, and organic carbonyl compounds can all be the same as those described in the first embodiment.
  • the metal or metal compound is not particularly limited as long as it can form an alcohol when the organic halide, metal or metal compound, and organic carbonyl compound are reacted.
  • the amount of the metal or metal compound used is, for example, 0.1 equivalent or more, preferably 0.5 equivalent or more, more preferably 0.7 equivalent or more, and for example 10.0 equivalent or less with respect to 1 equivalent of the organic halide. , preferably 5.0 equivalents or less, more preferably 3.0 equivalents or less. If the amount is less than 0.1 equivalents or more than 10.0 equivalents, the reaction may not proceed sufficiently, and the yield may decrease. Furthermore, there is a possibility that the components present in excess may cause side reactions with reaction products and the like.
  • the reaction conditions of the organic halide, the metal or metal compound, and the organic carbonyl compound are not particularly limited as long as they can react to form an alcohol.
  • the reaction temperature (temperature inside the reaction vessel during mixing) can be -50°C to 500°C. In the present invention, it can be carried out at around room temperature (23° C.) without heating.
  • the inside of the reaction vessel (reaction system) may be heated to a desired temperature by using a heating device such as a heat gun.
  • a heating device such as a heat gun.
  • the method described in ⁇ Reaction conditions> (Temperature) in the first embodiment can be used.
  • the pressure is not particularly limited, and the reaction can be carried out under any pressure. At that time, a decompression device or a pressurization device can be used. In a third embodiment of the invention, the reaction can be carried out without pressure and vacuum.
  • the reaction atmosphere is not particularly limited, and can be appropriately determined in consideration of the types and amounts of each of the organic halide, metal or metal compound, and carbonyl compound, reaction temperature, and the like.
  • it can be carried out in an air atmosphere without adjusting the atmosphere.
  • it can be carried out in an inert gas atmosphere such as nitrogen, helium, neon, argon or the like.
  • it can be carried out in an air atmosphere.
  • the reaction time (mixing time; time for treatment by mechanical means) is not particularly limited, and should be determined as appropriate in consideration of the type and amount of each of the organic halide, metal or metal compound, and carbonyl compound, reaction temperature, etc. can be done.
  • reaction time can be 1 minute or longer, preferably 3 minutes or longer, and more preferably 5 minutes or longer.
  • the upper limit of the reaction time is not particularly limited, it can be, for example, 10 hours or less, preferably 5 hours or less, and more preferably 3 hours or less.
  • the order in which the organic halide, metal or metal compound, ether compound, and carbonyl compound are added to the reaction vessel is not particularly limited. Also, the means for introducing is not particularly limited. After completion of the reaction, the obtained reaction product may be purified, if necessary.
  • a purification method is not particularly limited, and methods such as filtration, distillation, recrystallization, column chromatography, washing with a solvent, and the like are used, for example.
  • a fourth embodiment of the present invention is a reaction component comprising an organic halide, a metal or metal compound, an electrophile, and 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide.
  • the 4-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined with 0.5 to 10.0 equivalents of ether per equivalent of the organic halide.
  • the present invention relates to an addition reaction method in which a reaction is performed by a mechanochemical method in the presence of a compound, and an electrophilic agent is added to react by a mechanochemical method.
  • the 4-2 embodiment of the present invention is characterized in that the organic halide, the metal or metal compound, and the electrophile are added in an amount of 0.5 to 10 per 1 equivalent of the organic halide. It relates to an addition reaction method in which the reaction is carried out by a mechanochemical method in the presence of .0 equivalent of an ether compound.
  • the organic halides, metals and ether compounds can be similar to those described in the first embodiment.
  • the reaction conditions and the like between the organic halide and the metal or metal compound can be the same as those described in the first embodiment.
  • the mechanochemical method and reaction apparatus used in the reaction of the organic halide, the reaction product of the metal or metal compound, and the electrophilic agent are all described in the first embodiment. can be similar to
  • Electrophiles include, for example, ketone groups, aldehyde groups, carboxylic acid amide groups, carboxylic acid ester groups, halogen groups, cyano groups, halogenated silane groups, halogenated phosphorus (pentavalent) groups, halogenated phosphorus (trivalent) group, boron halide group, group having a boron-oxygen bond, metal halide group, heterosilyl group, imino group, acyl halide group, epoxy group, disulfide group, carbon dioxide (CO 2 ), carboxylic acid anhydride, imide
  • ketone groups aldehyde groups, carboxylic acid amide groups, carboxylic acid ester groups, halogen groups, cyano groups, halogenated silane groups, halogenated phosphorus (pentavalent) groups, halogenated phosphorus (trivalent) group, boron halide group, group having a boron-oxygen bond, metal halide group
  • the carbonyl compound described in the second embodiment can be used as the compound having a ketone group, an aldehyde group and a carboxylate group.
  • compounds having a carboxylic acid amide group include compounds having a corresponding carboxylic acid amide group obtained by reacting a carboxylic acid such as acetic acid, propionic acid, and benzoic acid with an amine.
  • the compounds having a halogen group include the organic halides mentioned in the first embodiment, silane compounds having three alkyl groups or aryl groups and one halogen group, and alkyl groups.
  • a phosphorus compound (divalent and pentavalent) having two aryl groups and one halogen group, a boron compound having three alkyl or aryl groups and one halogen group, and a halogen group transition metal complexes e.g., nickel (II) halides, palladium (II) halides, platinum (II) halides, cobalt (I or III) halides, rhodium (I or III) halides, iridium halides ( I or III), copper (I) halide, silver (I) halide, gold (I) halide, iron (II) (III) halide, ruthenium (II) halide, titanium (IV) halide (II), a complex containing zirconium (IV) halide in its structure and having or not having a ligand).
  • nickel (II) halides palladium (II) halides, platinum (II) halides
  • the amount of the electrophilic agent used is not particularly limited. relative to 1 equivalent of the organic halide, for example 0.1 equivalent or more, preferably 0.2 equivalent or more, more preferably 0.3 equivalent or more, for example 10.0 equivalent or less, preferably 5.0 equivalent or less; More preferably, it is 3.0 equivalents or less. If the amount is less than 0.1 equivalents or more than 10.0 equivalents, the reaction may not proceed sufficiently, and the yield may decrease. Furthermore, there is a possibility that the components present in excess may cause side reactions with reaction products and the like.
  • the reaction conditions between the reaction product of the organic halide and the metal and the electrophile are not particularly limited as long as they can react to form a product.
  • the reaction temperature (temperature, pressure, atmosphere, time)
  • the reaction temperature can be -50°C to 500°C. In the present invention, it can be carried out at around room temperature (23° C.) without heating.
  • the inside of the reaction vessel (reaction system) may be heated to a desired temperature by using a heating device such as a heat gun.
  • a heating device such as a heat gun.
  • the method described in ⁇ Reaction conditions> (Temperature) in the first embodiment can be used.
  • the pressure is not particularly limited, and the reaction can be carried out under any pressure. At that time, a decompression device or a pressurization device can be used. In a fourth embodiment of the invention, the reaction can be carried out without applying pressure or pressure.
  • the reaction atmosphere (atmosphere in the reaction vessel during mixing) is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organometallic nucleophilic agents and electrophilic agents, the reaction temperature, and the like. For example, it can be carried out in an air atmosphere without adjusting the atmosphere. Moreover, it can be carried out in an inert gas atmosphere such as nitrogen, helium, neon, argon or the like. In the fourth embodiment of the present invention, it can be carried out in an air atmosphere.
  • the reaction time (mixing time; time for treatment by mechanical means) is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organometallic nucleophiles and electrophiles, the reaction temperature, and the like. . For example, it can be 1 minute or longer, preferably 3 minutes or longer, and more preferably 5 minutes or longer. Although the upper limit of the reaction time is not particularly limited, it can be, for example, 10 hours or less, preferably 5 hours or less, and more preferably 3 hours or less.
  • the means for introducing the electrophile into the reaction vessel is not particularly limited. After completion of the reaction, the obtained reaction product may be purified, if necessary.
  • a purification method is not particularly limited, and methods such as filtration, distillation, recrystallization, column chromatography, washing with a solvent, and the like are used, for example.
  • ⁇ Reaction product> various compounds can be obtained depending on the electrophile.
  • a compound having a carboxylic acid amide group is used as an electrophile
  • a corresponding carboxylic acid ester compound can be obtained.
  • the corresponding alcohol compound can be obtained.
  • a compound having a cyano group is used as an electrophile
  • a corresponding carboxylic acid ester compound can be obtained.
  • a fifth embodiment of the present invention comprises an organic halide, a metal or a metal compound, a sulfonate ester compound, 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide, and a nickel catalyst.
  • This is a coupling reaction method in which reaction components containing and are reacted by a mechanochemical method.
  • the 5-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined with 0.5 to 10.0 equivalents of ether per equivalent of the organic halide.
  • the organic halide, the metal or the metal compound, and the sulfonic acid ester compound are added in an amount of 0.5 to 0.5 to 1 equivalent of the organic halide.
  • a fifth embodiment of the present invention is a reaction corresponding to the so-called Kumada-Tamao-Corriu Coupling Reaction.
  • the organic halides, metals and ether compounds can be the same as those described in the first embodiment.
  • the reaction conditions and the like between the organic halide and the metal or metal compound can be the same as those described in the first embodiment.
  • the mechanochemical method and reaction apparatus used for the reaction of the organic halide, the reaction product of the metal or metal compound, and the sulfonate ester compound in the presence of a nickel catalyst are both the first It can be similar to those described in the embodiment.
  • the nickel catalyst is not particularly limited as long as it can catalyze the reaction between the organometallic nucleophilic agent and the sulfonate ester compound.
  • the amount of nickel catalyst used is not particularly limited. With respect to 1 equivalent of the organic halide, it is, for example, 1.0 ⁇ 10 -3 equivalents or more, preferably 0.01 equivalents or more, more preferably 0.1 equivalents or more, for example 3.0 equivalents or less, preferably 2.0 equivalents. equivalent or less, more preferably 1.0 equivalent or less, and still more preferably 0.5 equivalent or less. If the amount is less than 1.0 ⁇ 10 ⁇ 3 equivalents or more than 3.0 equivalents, the reaction may not proceed smoothly.
  • the sulfonate ester compound is not particularly limited as long as it undergoes a coupling reaction (Kumada-Tamao-Colew coupling reaction) with an organometallic nucleophilic agent in the presence of a nickel catalyst.
  • the amount of the sulfonic acid ester compound used is not particularly limited.
  • reaction conditions of the reaction product of the organic halide and the metal with the sulfonate ester compound in the presence of a nickel catalyst are conditions that allow them to react to form the product. It is not particularly limited.
  • the reaction temperature (temperature, pressure, atmosphere, time)
  • the reaction temperature can be -50°C to 500°C. In the present invention, it can be carried out at around room temperature (23° C.) without heating.
  • the inside of the reaction vessel (reaction system) may be heated to a desired temperature by using a heating device such as a heat gun.
  • a heating device such as a heat gun.
  • the method described in ⁇ Reaction conditions> (Temperature) in the first embodiment can be used.
  • the pressure is not particularly limited, and the reaction can be carried out under any pressure. At that time, a decompression device or a pressurization device can be used.
  • the reaction can be carried out without applying pressure or pressure.
  • the reaction atmosphere is not particularly limited, and can be appropriately determined in consideration of the types and amounts of the organometallic nucleophilic agent and the sulfonate ester compound, the reaction temperature, and the like.
  • it can be carried out in an air atmosphere without adjusting the atmosphere.
  • it can be carried out in an inert gas atmosphere such as nitrogen, helium, neon, argon or the like.
  • it can be carried out in an air atmosphere.
  • the reaction time (mixing time; time for treatment by mechanical means) is not particularly limited, and can be determined as appropriate in consideration of the type and amount of each of the organometallic nucleophilic agent and sulfonic acid ester compound, the reaction temperature, etc. can. For example, it can be 1 minute or longer, preferably 3 minutes or longer, and more preferably 5 minutes or longer.
  • the upper limit of the reaction time is not particularly limited, it can be, for example, 10 hours or less, preferably 5 hours or less, and more preferably 3 hours or less.
  • the means for introducing the electrophile into the reaction vessel is not particularly limited. After completion of the reaction, the obtained reaction product may be purified, if necessary.
  • the purification method is not particularly limited, and methods such as filtration, distillation, recrystallization, column chromatography, and washing with a solvent are used, for example.
  • a sixth embodiment of the present invention is a reaction component comprising an organic halide, a metal or metal compound, a conjugated enone compound, and 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide. are reacted by a mechanochemical method.
  • the 6-1 embodiment of the present invention is characterized in that an organic halide and a metal or a metal compound are combined with 0.5 to 10.0 equivalents of ether per equivalent of the organic halide.
  • This is an addition reaction method in which the reaction is carried out by a mechanochemical method in the presence of a compound, and a conjugated enone compound is added and the reaction is carried out by a mechanochemical method.
  • the organic halide, the metal or the metal compound, and the conjugated enone compound are added in an amount of 0.5 to 10 per equivalent of the organic halide.
  • This is an addition reaction method in which the reaction is carried out by a mechanochemical method in the presence of .0 equivalent of an ether compound.
  • the organic halides, metals or metal compounds, ether compounds can be the same as those described in the first embodiment.
  • the reaction conditions and the like between the organic halide and the metal or metal compound can be the same as those described in the first embodiment.
  • the mechanochemical method and reactor used in the reaction of the organic halide, the reaction product of the metal or metal compound, and the conjugated enone compound are all described in the first embodiment. It can be made similar to a thing.
  • Conjugated enone compounds include, for example, methyl vinyl ketone, 2-cyclohexene-1-one, 2-cyclopenten-1-one, 2-cyclohepten-1-one, 1-phenyl-2-buten-1-one, 5- Methyl-3-hexen-2-one, 3-nonen-2-one, benzylideneacetone, 5,6-dihydro-2H-pyran-2-one, 3-buten-2-one, 3-nonen-2-one , 1,3-diphenyl-2-propen-1-one, 3-phenyl-2-propenal, acrylaldehyde and the like.
  • the amount of the conjugated enone compound used is not particularly limited.
  • an organic halide and a metal or metal compound are combined by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide.
  • the present invention relates to a composition obtained by a reaction method, comprising a halogenated organometallic compound and an ether compound, wherein the content of the ether compound is 0.5 to 10 equivalents per equivalent of the halogenated organometallic compound.
  • Examples of the organic halides, metals or metal compounds, and ether compounds used in the seventh embodiment are the same as those described in the first embodiment.
  • the mechanochemical method and reaction apparatus used for the reaction can all be the same as those described in the first embodiment.
  • the composition according to the seventh embodiment for example, an organic halide and a metal or a metal compound in the presence of 0.5 to 10.0 equivalents of an ether compound per equivalent of the organic halide, mechano It was obtained as a muddy mixture (slurry) by a chemical reaction method.
  • organometallic nucleophiles such as Grignard reagents are synthesized after dissolving reaction raw materials in a solvent, and are in a form containing a large amount of organic solvent. It has never been common.
  • the composition according to the seventh embodiment of the present invention includes a slurry composition with a low solvent content, which is advantageous in terms of handleability, reaction efficiency, and the like.
  • An eighth embodiment of the present invention comprises at least a halogenated organometallic compound and an ether compound of formula (A): [R 11 -(MX) p ] q -rE (A) (wherein R 11 is a p-valent organic group derived from a halogenated organometallic compound, M is a metal derived from a halogenated organometallic compound, X is a halogen, and E is an ether compound.
  • R 11 , M, X and E may be the same or different, p is an integer of 1 or more, q is a number of 2 or more, and r is a number greater than 0.) It is a halogenated organometallic compound-ether compound complex represented by
  • a 11 in formula (A) is the same group as A 1 in formula (I) relating to the organic halide described in the first aspect, i.e., an m-valent aromatic optionally having a substituent A hydrocarbon group, an optionally substituted m-valent aromatic heterocyclic group, an optionally substituted m-valent aliphatic hydrocarbon group, or optionally having a substituent represents any m-valent unsaturated aliphatic hydrocarbon group.
  • Specific groups are the same as those described in the first embodiment.
  • M in Formula (A) is the same as the metal constituting the metal or metal compound described in the first embodiment
  • X in Formula (A) is each independently F (fluorine), Cl (chlorine ), Br (bromine) or I (iodine).
  • E in formula (A) is an ether compound that coordinates to the halogenated organometallic compound, and includes, for example, the ether compounds described in the first embodiment.
  • p in the formula (A) represents the number of metal halide groups in the organometallic halide compound and is an integer of 1 or more. It is preferably an integer of 1 or more and 6 or less, and more preferably an integer of 1 or more and 3 or less.
  • q in the formula (A) is the amount of the halogenated organometallic compound that constitutes the complex
  • r in the formula (A) is the amount of the ether compound that constitutes the complex (coordinated to the halogenated organometallic compound number of ether compounds).
  • q is, for example, 1 or more, preferably 2 or more, more preferably 2 or more and 12 or less.
  • r is a number greater than 0, for example, 0.5 or more, preferably 1 or more, and more preferably an integer of 2-12.
  • THF tetrahydrofuran
  • organic halide bromobenzene
  • FIG. 3 shows the optimized structure at the B3LYP-D3/Def2SVP level of the halogenated organometallic compound-ether compound complex represented by [Ph-MgBr] 4 -rTHF.
  • r 0, 2, 4, 6, 8 and all hydrogen atoms are omitted for clarity.
  • the most stable [PhMgBr] 4 isomer was found to adopt a cubic crystal structure, as shown in FIG.
  • a THF molecule was additionally coordinated to the Mg atom, and such coordination ultimately induced cleavage of the Mg-Br bond in the cubic conformation. From this, it can be seen that the cubic crystal structure changed to a more open structure due to the coordination of the THF molecule. That is, from FIG.
  • an organic halide having a solubility at 20° C. of less than 1.0 mol/L in an ether compound and a metal or a metal compound are added to 0.5 to 0.5 to 1 equivalent of the organic halide. It is an organometallic nucleophile obtained by a mechanochemical reaction in the presence of 10.0 equivalents of an ether compound.
  • the organic halide having a solubility at 20° C. of less than 1.0 mol/L in ether compounds is not particularly limited. For example, among the organic halides described in the first embodiment, organic halides having a solubility of less than 1.0 mol/L in ether compounds at 20°C can be mentioned.
  • a 2 is any of an optionally substituted monovalent aromatic group, an optionally substituted monovalent heterocyclic group and an optionally substituted monovalent cycloaliphatic group
  • a 3 and A 4 are an optionally substituted monovalent aromatic group, an optionally substituted monovalent heterocyclic group and an optionally substituted monovalent cycloaliphatic group any of them, when there are a plurality of A 3 , they may be the same or different, A 3 and A 4 may be the same or different, and n is an integer of 1 to 10.
  • a compound represented by is mentioned.
  • rings constituting A 2 , A 3 and A 4 examples include benzene ring, naphthalene ring, cyclohexane ring, thiophene ring, pyrrole ring, furan ring, oxadiazole ring and pyridine ring.
  • the compound (4-bromo-p-terphenyl) used in Example 115 can be used.
  • Organic halides with a solubility of less than 1.0 mol/L in ether compounds at 20°C are not sufficiently soluble in organic solvents such as ether solvents. It is a compound that could not have been.
  • the ninth embodiment of the present invention is an organometallic nucleophile based on a compound such as a Grignard reagent that could not be used as a raw material for an organometallic nucleophile, and is extremely useful as a reagent that expands the possibilities of organic synthesis. be.
  • Metals or metal compounds and ether compounds used in the ninth embodiment include, for example, those described in the first embodiment. Also, in the ninth embodiment, the mechanochemical method and reaction apparatus used in the reaction of the organic halide and the metal or metal compound can all be the same as those described in the first embodiment.
  • Example 1 128.3 mg (0.75 mmol, 1.5 equiv) of 4-bromotoluene as an organic halide was placed in a 5 mL stainless steel ball mill jar containing stainless steel balls with a diameter of 10 mm under air. 18.2 mg (0.75 mmol, 1.5 equiv) of magnesium as a metal and 123 ⁇ L (1.5 mmol, 3.0 equiv) of tetrahydrofuran as an ether compound were added. The lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • the lid of the ball mill jar was opened, and 53.1 mg (0.5 mmol, 1.0 equiv) of benzaldehyde was added as an organic carbonyl compound.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield was determined by 1H NMR and found to be 91%.
  • the crude mixture was purified by silica gel column chromatography to isolate the desired alcohol ((4-methylphenyl)phenylmethanol) (86.1 mg, 0.43 mmol, isolated yield 86%).
  • Example 2 As organic halides and organic carbonyl compounds, the compounds in Table 2 were used, and the amount of each component used was 1.5 equiv for organic halides, 1.5 equiv for metal (magnesium), 3.0 equiv for ether compounds (tetrahydrofuran), and 3.0 equiv for organic carbonyl compounds.
  • a reaction product was obtained by conducting the reaction in the same manner as in Example 1, except that the amount was adjusted to 0.05 mmol (1.0 equiv). The results are shown in Table 2 together with the isolated yield and NMR yield.
  • Example 31 to 60 As organic halides and organic carbonyl compounds, the compounds in Table 3 were used, and the amount of each component used was 2.0 equiv for organic halides, 5.0 equiv for metal (magnesium), 3.0 equiv for ether compounds (tetrahydrofuran), and 3.0 equiv for organic carbonyl compounds. A reaction product was obtained by conducting the reaction in the same manner as in Example 1, except that the amount was adjusted to 0.05 mmol (1.0 equiv). The results are shown in Table 3 together with the isolated yield and NMR yield.
  • the organic carbonyl compounds in Tables 2 and 3 are as follows.
  • Example 61 207.1 mg (1.00 mmol, 2.0 equiv) of 2-bromonaphthalene as an organic halide and 60.8 mg of magnesium as a metal are placed in a 5 mL stainless steel ball mill jar containing stainless steel balls with a diameter of 10 mm under air. (2.50 mmol, 5.0 equiv) and 123 ⁇ L (1.5 mmol, 3.0 equiv) of tetrahydrofuran as an ether compound were added. The lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) for 60 minutes while being heated at a heat gun temperature of 110° C. to cause a reaction.
  • the lid of the ball mill jar was opened, and 53.1 mg (0.5 mmol, 1.0 equiv) of benzaldehyde as an organic carbonyl compound and 205 ⁇ L (5.0 equiv) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After completion of the reaction, the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration.
  • the NMR yield was determined by 1H NMR and found to be 85%.
  • the target alcohol phenyl(2-naphthyl)methanol
  • the isolated yield was 77%.
  • Example 62-66 As organic halides and organic carbonyl compounds, the compounds in Table 4 were used, and the amount of each component used was 2.0 equiv for organic halides, 5.0 equiv for metals, 3.0 equiv for ether compounds, and 0.50 mmol (1. 0 equiv), the reaction was carried out in the same manner as in Example 61 to obtain a reaction product. The results are shown in Table 4 together with the isolated yield.
  • Example 67-72 As organic halides and organic carbonyl compounds, the compounds in Table 4 were used, and the amount of each component used was 1.5 equiv for organic halides, 1.5 equiv for metal (magnesium), 3.0 equiv for ether compounds (tetrahydrofuran), and 3.0 equiv for organic carbonyl compounds. A reaction product was obtained by carrying out the reaction in the same manner as in Example 61, except that the amount was adjusted to 0.50 mmol (1.0 equiv). The results are shown in Table 4 together with the isolated yield and NMR yield.
  • the organic halides in Table 4 are as follows.
  • the organic carbonyl compounds in Table 4 are as follows.
  • Example 73 128.3 mg (0.75 mmol, 1.5 equiv) of 4-bromotoluene as an organic halide was placed in a 5 mL stainless steel ball mill jar containing stainless steel balls with a diameter of 10 mm under air. 18.2 mg (0.75 mmol, 1.5 equiv) of magnesium as a metal and 123 ⁇ L (1.5 mmol, 3.0 equiv) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After that, when the lid of the ball mill jar was opened and the inside was checked, it was found that a muddy mixture (slurry) of light orange color had been produced. After that, 53.1 mg (0.5 mmol, 1.0 equiv) of benzaldehyde was further added as an organic carbonyl compound. The lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. Dichloromethane was removed by an evaporator to obtain a reaction product (diphenylmethanol). The NMR yield was determined by 1H NMR to be 91%. As a result, a composition containing the halogenated organomagnesium compound and the ether compound was obtained, wherein the content of the ether compound was 0.5 to 10 equivalents per equivalent of the halogenated organomagnesium compound.
  • Example 74 to 77 Comparative Example 2
  • the compounds shown in Table 5 were used as the organic halogen compound and the ether compound, and the amount of each component used was the same as in Example 73. Obtained.
  • the results are shown in Table 5 together with the NMR yield.
  • Example 78 157.0 mg (1.00 mmol; 2.0 equiv) of bromobenzene as an organic halide and 60.8 mg (2. 50 mmol; 5.0 equiv), 53.1 mg (0.50 mmol; 1.0 equiv) of benzaldehyde as an organic carbonyl compound, and 123 ⁇ L (1.5 mmol, 3.0 equiv) of tetrahydrofuran as an ether compound were added. The lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 15 minutes to react.
  • the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield was determined by 1H NMR and found to be 91%.
  • the target alcohol (diphenylmethanol) was isolated by purifying the crude mixture by silica gel column chromatography. The isolated yield was 93%.
  • Example 79 to 83 A reaction product was obtained in the same manner as in Example 78, except that the compounds shown in Table 6 were used as the organic halide and/or organic carbonyl compound. The results are shown in Table 6 together with the isolated yield and NMR yield.
  • the organic halides in Table 6 are as follows.
  • the organic carbonyl compounds in Table 6 are as follows.
  • Example 85 ⁇ Reaction with Weinreb amide> The amount of each component used was 1.5 equiv for organic halides, 1.5 equiv for metals, 3.0 equiv for ether compounds, and 0.50 mmol (1.0 equiv) for electrophiles (Weinreb amide).
  • the desired 1-phenylpentan-1-one (43aa) was obtained by reaction in the same manner as in Example 84. NMR yield was 60%.
  • the lid of the ball mill jar was opened, and 76.6 mg (0.5 mmol, 1.0 equiv) of 2-naphthonitrile 4c was added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the crude mixture was purified by silica gel column chromatography to isolate the desired 1-(naphthalen-2-yl)pentan-1-one (43ac). The isolated yield was 52%.
  • Example 87 except that the amount of each component used was 1.5 equiv of organic halide, 1.5 equiv of metal, 3.0 equiv of ether compound and 0.50 mmol (1.0 equiv) of electrophile (nitrile).
  • the desired 1-(naphthalen-2-yl)pentan-1-one (43ac) was obtained in the same manner as in . NMR yield was 40%.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After that, the lid of the ball mill jar was opened, and 85.3 mg (0.5 mmol, 1.0 equiv) of chlorodimethylphenylsilane (42d) and 23.8 mg (0.125 mmol, 0.25 equiv) of copper iodide were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After completion of the reaction, the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate.
  • Example 90 ⁇ Reaction with chlorosilane> Example 89 except that the amount of each component used was 2.0 equiv for organic halide, 5.0 equiv for metal, 3.0 equiv for ether compound, and 0.50 mmol (1.0 equiv) for electrophile (chlorosilane).
  • the desired dimethyldiphenylsilane (43bd) was obtained by reacting in the same manner as in . The isolated yield was 48%.
  • the organic halides (41a, 41b), electrophiles (42a, 42b, 42c and 42d) and reaction products (43aa, 43ab, 43ac and 43bd) used in Examples 84-90 are as follows, respectively. .
  • Example 91 137 mg (1.0 mmol; 3.0 equiv) of 1-bromobutane (51a) as an organic halide and 60.8 mg of magnesium as a metal ( 2.5 mmol; 7.5 equiv), and 123 ⁇ L (1.5 mmol; 4.5 equiv) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • Example 92-99 A reaction product was obtained in the same manner as in Example 91, except that the compounds shown in Table 7 were used as the organic halide and/or sulfonate compound. The results are shown in Table 7 together with the isolated yield.
  • Example 100 to 108 As the organic halide and / or sulfonic acid ester compound, the compounds in Table 7 are used, and the amount of each component used is 1.5 equiv for the organic halide, 1.5 equiv for the metal (magnesium), 3.0 equiv for the ether compound (tetrahydrofuran) and A reaction product was obtained in the same manner as in Example 91, except that the sulfonate ester compound was adjusted to 0.33 mmol (1.0 equiv). The results are shown in Table 7 together with the isolated yield and NMR yield.
  • the organic halides in Table 7 are as follows.
  • the sulfonic acid ester compounds in Table 7 are as follows.
  • Example 109 ⁇ An organic halide, a metal or metal compound, a sulfonic acid ester compound, and a nickel catalyst are combined in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide, and a mechanochemical method is performed.
  • Coupling method > 137.0 mg (1.0 mmol) of 1-bromobutane as an organic halide, 60.8 mg (2.5 mmol) of magnesium as a metal, and 98.5 mg (0.33 mmol) of 2-naphthyl tosylate as a sulfonic acid ester compound (tosylal compound), and 10 mol% of [1,2-bis(diphenylphosphino)ethane]nickel(II) dichloride (( 17.4 mg (0.033 mmol) of dppe)NiCl 2 ) and 123 ⁇ L (1.5 mmol) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 90 minutes to react. After completion of the reaction, the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield of the target 2-n-butyl-naphthalene was determined by 1H NMR. NMR yield was 43%.
  • Example 110 157.0 mg (1.00 mmol; 2.0 equiv) of bromobenzene and 60.8 mg (2.5 mmol; 5.0 equiv), and 123 ⁇ L (1.5 mmol; 3.0 equiv) of tetrahydrofuran was added as an ether compound.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After that, the lid of the ball mill jar was opened, and 73.1 mg (0.50 mmol; 1.0 equiv) of benzylideneacetone was added as a conjugated enone compound.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After completion of the reaction, the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing the dichloromethane with an evaporator, the NMR yield was determined by 1H NMR to find that the 1,2-adduct was 59% and the 1,4-adduct was 8%.
  • Example 111 The amount of each component used is an organic halide (bromobenzene) 1.5 equiv, a metal (magnesium) 1.5 equiv, an ether compound (tetrahydrofuran) 3.0 equiv, and a conjugated enone compound (benzylideneacetone) 0.50 mmol (1.0 equiv).
  • a reaction product was obtained by carrying out the reaction and purification in the same manner as in Example 110, except that NMR yields determined by 1H NMR were 56% for the 1,2-adduct and 7% for the 1,4-adduct.
  • Example 112 A reaction was carried out in the same manner as in Example 110, except that 36.5 mg (0.25 mmol; 1.0 equiv) of benzylideneacetone and 95.2 mg (0.5 mmol; 2.0 equiv) of copper iodide were added. The NMR yield was determined by 1H NMR to obtain a reaction mixture containing 4% 1,2-adduct and 46% 1,4-adduct.
  • Example 113 A reaction was carried out in the same manner as in Example 110, except that 73.1 mg (0.5 mmol; 1.0 equiv) of benzylideneacetone and 184.9 mg (0.75 mmol; 1.5 equiv) of cerium chloride were added. NMR yields determined by 1H NMR were 37% for the 1,2-adduct and 6% for the 1,4-adduct.
  • Example 114 ⁇ An organic halide, a metal or a metal compound, and a conjugated enone compound are reacted by a mechanochemical method in the presence of 0.5 to 10.0 equivalents of an ether compound with respect to 1 equivalent of the organic halide, addition Reaction method> 157.0 mg (1.00 mmol) of bromobenzene as an organic halide, 60.8 mg (2.5 mmol) of magnesium, a conjugated enone compound, and 104.1 mg (0.5 mmol) of chalcone (1,3-diphenyl-2-propen-1-one) as an ether compound and 123 ⁇ L (1.5 mmol) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react. After completion of the reaction, the reaction mixture was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield was determined by 1H NMR and found to be 60%.
  • Example 115 Comparative Example 4
  • Example 115 309.2 mg of 4-bromo-p-terphenyl (4-bromo-p-terphenyl: 71a) as an organic halide was added to a 5 mL stainless steel ball mill jar containing stainless steel balls with a diameter of 10 mm under air. 00 mmol; 2.0 equiv), 60.8 mg (2.50 mmol; 5.0 equiv) of magnesium as a metal, and 123 ⁇ L (1.5 mmol, 3.0 equiv) of tetrahydrofuran as an ether compound were added.
  • the lid of the ball mill jar was closed, the jar was mounted on the ball mill, and the jar was shaken and stirred (30 Hz) for 60 minutes while being heated with a heat gun so that the internal temperature was 70.degree. After that, the lid of the ball mill jar was opened, and 67.1 mg (0.50 mmol; 1.0 equiv) of 3-phenylpropionaldehyde (72a) was added as an organic carbonyl compound.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) in the air at room temperature (30° C.) for 60 minutes to react.
  • the reaction mixture (73aa) was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield was determined by 1H NMR and found to be 42%.
  • reaction mixture (73aa) was extracted with dichloromethane and dried over magnesium sulfate. After that, inorganic salts were removed by filtration. After removing dichloromethane with an evaporator, the NMR yield was determined by 1H NMR and found to be less than 1%.
  • the organic halide (4-bromo-p-terphenyl: 71a)), the organic carbonyl compound (3-phenylpropionaldehyde: 72a) and the reaction product (73aa) used in Example 115 and Comparative Example 4 are as follows. It is as follows.
  • Example 116 Comparative Example 5
  • Example 116 157.0 mg (1.00 mmol; 1.0 equiv) of bromobenzene as an organic halide and 24.3 mg (1. 00 mmol; 1.0 equiv), and 164 ⁇ L (2.00 mmol, 2.0 equiv) of tetrahydrofuran was added as an ether compound.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) at room temperature (30° C.) for 60 minutes to react.
  • the target organometallic nucleophile PhMgBr phenylmagnesium bromide
  • PhMgBr phenylmagnesium bromide
  • solution phase 16% tetrahydrofuran solution, about 1 mol / L; commercial product
  • Mg K-edge NEXAFS X-ray at Mg-K absorption edge Absorption edge fine structure (NEXAFS)
  • C K-edge NEXAFS X-ray absorption edge fine structure at the C—K absorption edge
  • Measurements of Mg K-edge NEXAFS were performed using the soft X-ray beamline BL2A of the UVSOR-III synchrotron.
  • a gummy sample of PhMgBr prepared by the mechanochemical method was attached to a high-purity indium foil and fixed in a cup-shaped sample holder.
  • Samples of PhMgBr prepared in the solution phase were dried by dropping a 1.0 M THF solution of PhMgBr without precipitating MgBr 2 onto a high purity indium foil.
  • the sample holder was fixed to a manipulator, placed in a vacuum chamber evacuated to 1 ⁇ 10 ⁇ 6 Pa or less, and carefully prepared and placed in an argon atmosphere.
  • Mg K-edge NEXAFS spectra (1250-1400 eV) were acquired in total electron yields (TEYs) under an argon atmosphere by measuring the drain current of the sample.
  • the energy resolution of soft X-rays incident on the Mg K-edge was 0.2 eV in the range of 1300 to 1330 eV, and 1.0 eV in the ranges of 1250 to 1300 eV and 1330 to 1400 eV.
  • CK-edge NEXAFS measurements were performed using the soft X-ray beamline BL3U of the UVSOR-III synchrotron. All PhMgBr samples were fixed in stainless steel sample holders and installed in a vacuum chamber evacuated to 1 ⁇ 10 ⁇ 6 Pa or less in the same manner as in the Mg K-edge NEXAFS measurement. C K-edge NEXASF spectra (280-300 eV) were acquired in total electron yields (TEYs) under an argon atmosphere by measuring the drain current of the sample.
  • the energy resolution of soft X-rays incident on the CK-edge was 0.05 eV in the range of 283-293 eV, and 0.2 eV in the ranges of 280-283 eV and 293-300 eV.
  • Data processing such as indium foil background removal, baseline correction, and normalization of the obtained spectra was performed using the Athena program.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) for 60 minutes while being heated with a heat gun so that the internal temperature was 60° C., and the mixture was reacted. After that, the lid of the ball mill jar was opened, and 1 mL (1 mmol; 2 equiv) of 1.0 M hydrochloric acid was added. The reaction product, naphthalene, was extracted with dichloromethane and dried over magnesium sulfate. After filtering, the dichloromethane was removed by an evaporator, and the NMR yield was determined by 1H NMR to be 32%. Also, the conversion was greater than 99%.
  • Example 118 In a 1.5 mL stainless steel ball mill jar containing two 5 mm diameter stainless steel balls, 127 mg (0.5 mmol; 1 equiv) of 1-iodonaphthalene as an aromatic halide and fat 312 mg (2 mmol; 4 equiv) of iodoethane as a group halide, 30 mg (0.75 mmol; 1.5 equiv) of calcium powder (99% purity, particle size 5 mm or less) as a metal, and 196 ⁇ L of tetrahydropyran (THP) as an ether compound. (2 mmol, 4.0 equiv) was added.
  • THP tetrahydropyran
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) for 60 minutes while being heated with a heat gun so that the internal temperature was 60° C., and the mixture was reacted.
  • the reaction product 1-ethylnaphthalene
  • dichloromethane was extracted with dichloromethane and dried over magnesium sulfate. After filtering, dichloromethane was removed by an evaporator to obtain a reactive product.
  • the NMR yield was determined by 1H NMR to be 80%, and the isolated yield was determined to be 69%.
  • Example 119 Except for using 18 mg (0.75 mmol; 1.5 equiv) of magnesium powder as the metal, the reaction and purification were carried out in the same manner as in Example 118 to obtain a reaction product.
  • the NMR yield was determined by 1H NMR to be 15%. From this, it can be seen that even if the yield is low and the reaction is difficult when magnesium is used, the reaction can be easily carried out with high yield when calcium is used.
  • Example 120 to 135 A reaction product was obtained in the same manner as in Example 118 except that the compounds shown in Table 8 were used as the aromatic halide and the aliphatic halide. Results are shown in Table 8 along with isolated yield and NMR yield.
  • Example 136 1 mmol of 1-fluoro-2-iodobenzene as an aromatic halide, 3 mmol of manganese powder as a metal, and tetrahydrofuran (THF ) was added at 2 mmol.
  • the lid of the ball mill jar was closed, the ball mill was mounted, and the jar was shaken and stirred (30 Hz) for 180 minutes while being heated with a heat gun so that the internal temperature was 35° C., thereby causing a reaction. After that, when the lid of the ball mill jar was opened, a paste-like substance was produced in the ball mill jar, and manganese powder was not confirmed.
  • Example 137-141 A reaction product was obtained in the same manner as in Example 136, except that the compound shown in Table 9 was used as the aromatic halide and the internal temperature was 70°C. The results are shown in Table 9 together with the NMR yield.
  • Example 142 ⁇ Effect of ether compound in mechanochemical synthesis of organic manganese reagent> [Example 142] In a 5 mL stainless steel ball mill jar containing 10 mm diameter stainless steel balls, under air, 1 mmol of pentafluoroiodobenzene as an aromatic halide, 3 mmol of manganese powder as a metal, and 207 ⁇ L of dimethyl ether (2 mmol (2 equiv) and compound 221a) below was added.
  • the lid of the ball mill jar was closed, the jar was mounted on the ball mill, and the jar was shaken and stirred (30 Hz) for 90 minutes while being heated with a heat gun so that the internal temperature was 35.degree. After that, when the lid of the ball mill jar was opened, a paste-like substance was produced in the ball mill jar, and manganese powder was not confirmed. Subsequently, 2 mmol (2 equiv) of 1-octanal was added into the ball mill jar. The lid of the ball mill jar was closed, the ball mill was mounted, and the mixture was shaken and stirred (30 Hz) in the air at an internal temperature of 35° C. for 30 minutes to cause a reaction.
  • reaction product was extracted with dichloromethane and dried over magnesium sulfate. After filtering, dichloromethane was removed by an evaporator to obtain a reactive product.
  • the NMR yield was determined by 1H NMR to be 40%.
  • Example 143 to 150 A reaction product was obtained in the same manner as in Example 142, except that the amount (2 mmol) of the compound shown in Table 10 was used as the ether compound so as to provide 2 equiv. The results are shown in Table 10 together with the NMR yield.
  • the ether compounds in Table 10 are as follows.
  • the above (i) is a method through the reduction of manganese halide MnX 2
  • the above (ii) is a preparation method using metal Mn and additives, which is difficult to handle and highly reactive activators and additives. is an adjustment method using
  • the method for preparing an organomanganese reagent by the mechanochemical method of the present invention is a simple method that does not use difficult-to-handle activators or additives, and is extremely advantageous.
  • Comparative Examples 6 to 9 in the conventional solution system, even if metal Mn and a halide are mixed, they do not react and the desired compound cannot be obtained. In this respect as well, the method for preparing an organomanganese reagent by the mechanochemical method of the present invention is extremely advantageous.

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PCT/JP2022/012524 2021-03-19 2022-03-18 有機金属求核剤の製造方法、及び有機金属求核剤を用いる反応方法 WO2022196796A1 (ja)

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